What is mean by powerfactor. What is the difference between leading and lagging power factor?

2 Answers   HCL,

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why generator and t/f ratings given in kva & motor rating is in KW?

6 Answers  

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Before i went to bed my master bathroom lights were working fine. At 2 am, when I went to use the lights, none of them were working. The outlets throughout the bathroom work, but the lights and fan above the toilet don't. I have two panels of switches. The one panel has four switches. One of the switches turns on the hall light, and that works. The other three are to other lights, and they don't. The other panel has three switches. One of those is to the fan, and the other is to a light above the toilet. The other is a to light that is also on that other panel. I tried the breakers, and the one that turns off the outlets, marked for the bathrooom, turns on and off the outlets. None seemed to be tripped. I checked the lightbulbs, and they are fine. Please help

2 Answers  

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What is meant by locking of rotor in synchronous motor? Explain me locking in detail?

3 Answers  

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How to calculate or testing the KW in generator

1 Answers  

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What should be the earth pit resistance value?

7 Answers   BARC,

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Why you want to join non technical field when you are an engineer?

0 Answers  

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what is infinite in infinite bus

4 Answers   GES,

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why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?

0 Answers  

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what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?

0 Answers  

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Why neutral is not used in three phases dol starter

0 Answers  

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how many winding in the single phase transformer?

3 Answers  

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